Neco 2022 Chemistry Question 17

Practice objective / multiple choice question 17 from the 2022 Neco Chemistry examination.

Neco 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 17 NECO • 2022 • CHEMISTRY • objective

2.00 g of magnesium reacts with excess hydrochloric acid according to \( \mathrm{Mg} + 2\mathrm{HCl} \rightarrow \mathrm{MgCl_2} + \mathrm{H_2} \). The hydrogen gas collected over water at 25 °C and 750 mmHg occupies \(0.845\ \text{L}\). Determine the percent yield of hydrogen, taking the water vapour pressure at 25 °C as 23.8 mmHg.

Answer Options

A. 35.8 %
Correct Answer B. 40.1 %
C. 45.3 %
D. 52.0 %
Correct Answer
B
Correct Option:
40.1 %

About This Question

This is Neco 2022 Chemistry Question 17. It is one of the objective questions from the 2022 Neco Chemistry examination.

Difficulty level: Medium .

View More Neco 2022 Chemistry Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support